BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 119 62.6%
2 United States 39 20.5%
3 Czech Republic 11 5.8%
4 Canada 9 4.7%
5 Germany 5 2.6%
6 Netherlands 2 1.1%
7 Turkey 2 1.1%
8 Ukraine 1 0.5%
9 Russia 1 0.5%
10 Italy 1 0.5%